Finding the Fourth Proportional to 31,241.64, 43,100.22 and 19,146.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,241.64 : 43,100.22 = 19,146.84 : x
2. Step 2: Convert to fraction form
   31,241.64/43,100.22 = 19,146.84/x
3. Step 3: Cross multiply
   31,241.64x = 43,100.22 × 19,146.84
4. Step 4: Simplify right side
   31,241.64x = 825,233,016.30
5. Step 5: Solve for x
   x = 825,233,016.30/31,241.64
6. Step 6: Final answer
   x = 26,414.52